A louse species (an external parasite) infests salmon. Researchers have found that lice have difficulty finding a mate when there are only a few lice on an individual fish. The lice find mates much more easily and produce more offspring when there are many lice on an individual fish. This is an example of .

I'm sorry to hear that. i will try to answer your other questions if it is within my ability. : )answers: my favourite colour is black.my favourite food is pasta.my favourite school subject is english, but i do also like lunch time.my least favourite subject is history as well as geography. i have currently garnered a quite equal hatred for both of the subjects.what about you? well, you for the points. : )

Ibelieve the answer is c.